A Dielectric Resonator Antenna-in-Package Design and its Electromagnetic Interference Investigation on Amplifier | Zendy

Sheng-Jie Guo | Zendy; Kwok Wa Leung | Zendy; Jun-Fa Mao | Zendy; Nan Yang | Zendy

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A Dielectric Resonator Antenna-in-Package Design and its Electromagnetic Interference Investigation on Amplifier

Author(s) -

Sheng-Jie Guo,

Kwok Wa Leung,

Jun-Fa Mao,

Nan Yang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2872495

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A highly shielded and easy-integration antenna-in-package (AiP) configuration based on the rectangular hollow dielectric resonator antenna (DRA) is presented. The surfaces of the hollow are made conductive to form a metal cavity, isolating the DRA from the RF circuits. Both passive and active antennas for 2.4-GHz WLAN applications are designed, measured, and compared. The two antennas are excited in the TE_δ11^x mode and perform similarly. To know the effect of the perfect-electric-conductor (PEC) boundary, the DRA without any metal cavities is also studied for comparison. Two sets of experiments are designed to investigate the electromagnetic interference between the AiP and a low-noise amplifier (LNA) inside the hollow. The influences of the DRA on the packaged LNA are measured and analyzed for both the no-PEC-boundary and PEC-boundary cases. It is found that the output of the LNA will be significantly affected by the DRA input power when the latter is sufficiently high.

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